"use client";

import React from "react";

import type { TListElement } from "platejs";

import { isOrderedList } from "@platejs/list";
import { useTodoListElement, useTodoListElementState } from "@platejs/list/react";
import { type PlateElementProps, type RenderNodeWrapper, useReadOnly } from "platejs/react";

import { Checkbox } from "@/components/ui/checkbox";
import { cn } from "@/utils/cn";

const config: Record<
  string,
  {
    Li: React.FC<PlateElementProps>;
    Marker: React.FC<PlateElementProps>;
  }
> = {
  todo: {
    Li: TodoLi,
    Marker: TodoMarker,
  },
};

export const BlockList: RenderNodeWrapper = (props) => {
  if (!props.element.listStyleType) return;

  return (props) => <List {...props} />;
};

function List(props: PlateElementProps) {
  const { listStart, listStyleType } = props.element as TListElement;
  const { Li, Marker } = config[listStyleType] ?? {};
  const List = isOrderedList(props.element) ? "ol" : "ul";

  return (
    <List className="relative m-0 p-0" style={{ listStyleType }} start={listStart}>
      {Marker && <Marker {...props} />}
      {Li ? <Li {...props} /> : <li>{props.children}</li>}
    </List>
  );
}

function TodoMarker(props: PlateElementProps) {
  const state = useTodoListElementState({ element: props.element });
  const { checkboxProps } = useTodoListElement(state);
  const readOnly = useReadOnly();

  return (
    <div contentEditable={false}>
      <Checkbox className={cn("absolute -left-6 top-1", readOnly && "pointer-events-none")} {...checkboxProps} />
    </div>
  );
}

function TodoLi(props: PlateElementProps) {
  return (
    <li className={cn("list-none", (props.element.checked as boolean) && "text-muted-foreground line-through")}>
      {props.children}
    </li>
  );
}
